atomic unit
Physics
noun
A unit in a system in which certain fundamental constants, such as the mass and charge of the electron and the Bohr radius, are assigned the value 1.
Origin
1920s; earliest use found in Douglas Hartree (1897–1958), mathematician and theoretical physicist.
- quadrifoliolate
- quadriform
- quadrifrontal
- quadrifurcate
- quadrifurcated
- quadrifurcation
- quadriga
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- quadrihydrate
- quadrijugate
- quadrilaminar
- quadrilaminate
- quadrilateral
- quadrilateralness
- quadrilingual
- quadriliteral
- quadrille
- quadrilled
- quadriller
- quadrillion